Over the past few months, I've been busy riling up the design community with a theory that designers are now in the "behavior business," and I plan to explore this further in my posts in the coming weeks. Many of the challenges that businesses are facing cannot be addressed without a strategy for influencing consumer behavior in a positive and sustained manner, in areas like personal finance and preventative care. For example, I have spent significant time with head of disease management for a major U.S.